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Bloom Report, April 21, 2020


  • Trout lily (Erythronium americanum)
  • Marsh marigold (Caltha palustris)
  • European larch (Larix decidua)
  • Vista shot, sweep of daffodils under a tree
  •  Ussurian pear 'Prairie Gem'
April 21, 2020

Despite recent shifts in temperature, spring has truly sprung at the Arboretum, filling the landscape with increasingly lush blooms and beautiful colors, just in time for the celebration of Arbor Day on Friday, April 24. As we embrace the promise of growth and new beginnings this season brings, we hope you are finding ways to celebrate and deepen your connection with nature in your own neighborhood. 

Stay connected with the Arboretum on FacebookTwitter, and Instagram and share pictures of the blooms you see using the hashtags #springblooms, #MortonArboretum, and #arborday.

About this week's featured blooms:

  1. White trout lily (Erythronium albidum )
    This wildflower, which blooms in Midwestern woods in mid-April, takes its name not from the flowers, but from the leaves. The spots that dapple a leaf make it look like a speckled trout underwater.
  2. Marsh marigold (Caltha palustris)
    Marsh marigold is a native wildflower that grows in moist, boggy soils or at the edges of streams and wetlands. As with many plants, its common name is deceiving: It’s not related to the garden marigold (various species in the genus Tagetes).
  3. European larch (Larix decidua)
    Although most familiar trees that use cones to reproduce are evergreen, like pines and spruces, some conifers lose their needlelike leaves in fall and grow new ones each year. One such tree is the European larch, which sprouts soft new needles in spring at the same time as it develops its reddish female cones. They will be fertilized by pollen from smaller male cones on the same tree.
  4. Daffodils (Narcissus)
    To grow spring-flowering bulbs beneath a tree, choose long-lived species such as daffodils (Narcissus) or squill (Scilla). That way, you will only need to disturb the tree’s roots once to plant the bulbs and then can enjoy their spring bloom for many years. Choose varieties that will bloom in early spring and complete their flowering before the tree’s leaves open to create shade.
  5. Prairie Gem® Ussurian pear (Pyrus ussuriensis 'MorDak') 
    This tree is an especially hardy, compact cultivar of the Ussurian pear, an Asian species grown in the Midwest mostly for its spring flowers. It is named after the Ussuri River, which winds through northern China and eastern Russia.

How You Can Support

As a nonprofit organization, The Morton Arboretum relies on admissions, annual memberships, philanthropic gifts, and support from community partners. You can support the Arboretum’s mission to plant and protect trees during this temporary closure by making an online gift today or by becoming a member